265646460647 has 8 divisors (see below), whose sum is σ = 288133034112. Its totient is φ = 243922144000.

The previous prime is 265646460643. The next prime is 265646460719. The reversal of 265646460647 is 746064646562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265646460647 - 2² = 265646460643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265646460592 and 265646460601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265646460641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190563479 + ... + 190564872.

It is an arithmetic number, because the mean of its divisors is an integer number (36016629264).

Almost surely, 2^265646460647 is an apocalyptic number.

265646460647 is a deficient number, since it is larger than the sum of its proper divisors (22486573465).

265646460647 is a wasteful number, since it uses less digits than its factorization.

265646460647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381128409.

The product of its (nonzero) digits is 34836480, while the sum is 56.

The spelling of 265646460647 in words is "two hundred sixty-five billion, six hundred forty-six million, four hundred sixty thousand, six hundred forty-seven".